Упражнение 6. Correct the mistakes if any. 1. They are discussing the problem for hours, but has not solved it yet. 2. Somebody has been playing tennis since 2 o'clock. 3. Is it still raining? No, it have stopped. 4. John has been winning the championship two times. 5. The boys have fished for 3 hours. 6. How many books have you written? 7. Mike has invited many friends to his birthday party. 8. He has been hating oranges since his childhood. 9. They have been taken the dog for a walk. 10. Irene has left for the airport.

1. They have been discussing the problem for hours, but have not solved it yet. (Используем Present Perfect Continuous, чтобы подчеркнуть длительность действия, и Present Perfect, чтобы указать на результат). 2. Somebody has been playing tennis since 2 o'clock. (Present Perfect Continuous, действие началось в прошлом и продолжается до сих пор). 3. Is it still raining? No, it has stopped. (Ошибка: должно быть "has"). 4. John has won the championship two times. (Present Perfect, результат важен). 5. The boys have been fishing for 3 hours. (Present Perfect Continuous, акцент на продолжительности действия). 6. How many books have you written? (Предложение верно). 7. Mike has invited many friends to his birthday party. (Предложение верно). 8. He has been hating oranges since his childhood. (Present Perfect Continuous, действие началось в прошлом и продолжается до сих пор). 9. They have taken the dog for a walk. (Предложение верно). 10. Irene has left for the airport. (Предложение верно).